utils: raspberrypi: ctt: Adapt tuning tool for both VC4 and PiSP

The old ctt.py and alsc_only.py scripts are removed.

Instead of ctt.py use ctt_vc4.py or ctt_pisp.py, depending on your
target platform.

Instead of alsc_only.py use alsc_vc4.py or alsc_pisp.py, again
according to your platform.

Signed-off-by: David Plowman <david.plowman@raspberrypi.com>
Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
Tested-by: Naushir Patuck <naush@raspberrypi.com>
Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>

utils/raspberrypi/ctt/alsc_pisp.py

@@ -0,0 +1,37 @@
+#!/usr/bin/env python3
+#
+# SPDX-License-Identifier: BSD-2-Clause
+#
+# Copyright (C) 2022, Raspberry Pi (Trading) Limited
+#
+# alsc_only.py - alsc tuning tool
+
+import sys
+
+from ctt_pisp import json_template, grid_size, target
+from ctt_run import run_ctt
+from ctt_tools import parse_input
+
+if __name__ == '__main__':
+    """
+    initialise calibration
+    """
+    if len(sys.argv) == 1:
+        print("""
+    PiSP Lens Shading Camera Tuning Tool version 1.0
+
+    Required Arguments:
+    '-i' : Calibration image directory.
+    '-o' : Name of output json file.
+
+    Optional Arguments:
+    '-c' : Config file for the CTT. If not passed, default parameters used.
+    '-l' : Name of output log file. If not passed, 'ctt_log.txt' used.
+              """)
+        quit(0)
+    else:
+        """
+        parse input arguments
+        """
+        json_output, directory, config, log_output = parse_input()
+        run_ctt(json_output, directory, config, log_output, json_template, grid_size, target, alsc_only=True)